Home / 40,439.66-55,806.68-22,289.76

Finding the Fourth Proportional to 40,439.66, 55,806.68 and 22,289.76

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Solution

The fourth proportional to 40,439.66, 55,806.68 and 22,289.76 is: 30,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439.66 : 55,806.68 = 22,289.76 : x
  2. Step 2: Convert to fraction form
    40,439.66/55,806.68 = 22,289.76/x
  3. Step 3: Cross multiply
    40,439.66x = 55,806.68 × 22,289.76
  4. Step 4: Simplify right side
    40,439.66x = 1,243,917,559.32
  5. Step 5: Solve for x
    x = 1,243,917,559.32/40,439.66
  6. Step 6: Final answer
    x = 30,759.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.